Color

#18cd82

#18cd82
hex#18cd82
rgbrgb(24, 205, 130)
hslhsl(155, 79%, 45%)
oklchoklch(0.749 0.172 157.8)
Closest name: Emerald Green (#50c878)Relative luminance 0.4547

Colors that go with #18cd82

Charcoal, Blue and Cornflower Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#cd1864

#18cd27 · #18becd

#8218cd · #cd8218

Split-complementary

Open in tool →

#cd18be · #cd2718

#2718cd · #cd1864 · #becd18

Contrast

#18cd82 as textRatioAAAA largeAAAFix
Aaon white
2.08:1failfailfail
  • AA: use #108454 as the text (4.72:1)
  • AAA: use #0c643f as the text (7.22:1)
  • AA: or shift the background to #454545 (4.61:1)
  • AAA: or shift the background to #262626 (7.27:1)
Aaon black
10.09:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #18cd82 as the background.

Brands using this color

mcpConnect your agent — build around #18cd82
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

›analyze #18cd82 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/18cd82-a2beb6-d459c8-1f2d2d-e9f1ea?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md